Confirmed allergy (allergic rhinitis) to dust mite for more than 2 years, as determined by anamnesis and by a miniRQLQ of ≥ 1

Positive Skin prick testing measure greater than 3mm wheal diameter to the dermatophagoides pteronyssinus species of house dust mite extract

Body Mass Index 19-29

Having obtained his/her informed consent

Exclusion Criteria:

Anemia

Allergy to any food or medication

Asthma

Family history of congenital immunodeficiency or chronic consumption (more than one week at Screening) of immunosuppressive or anti-inflammatory treatments

Ongoing treatment with antibiotics or undergoing allergen immunotherapy at Screening

Consumption of probiotic and other dietary nutritional interventions

More than 2 drinks/day alcohol consumption or use of illicit drugs

Pregnant women

Subjects with expected low compliance

Blood donation in the past month or planning to donate blood until a month after the end of the study

Currently participating or having participated in another interventional clinical trial during the last four weeks prior to the beginning the study

Contacts and Locations

Choosing to participate in a study is an important personal decision. Talk with your doctor and family members or friends about deciding to join a study.
To learn more about this study, you or your doctor may contact the study research staff using the Contacts provided below.
For general information, see Learn About Clinical Studies.

Please refer to this study by its ClinicalTrials.gov identifier: NCT01779895